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Nickel 685 vs. EN 1.4112 Stainless Steel

Nickel 685 belongs to the nickel alloys classification, while EN 1.4112 stainless steel belongs to the iron alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is nickel 685 and the bottom bar is EN 1.4112 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
20
Fatigue Strength, MPa 470
280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 770
470
Tensile Strength: Ultimate (UTS), MPa 1250
750
Tensile Strength: Yield (Proof), MPa 850
430

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 1000
910
Melting Completion (Liquidus), °C 1380
1430
Melting Onset (Solidus), °C 1330
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 75
10
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 10
2.6
Embodied Energy, MJ/kg 140
37
Embodied Water, L/kg 340
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
480
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 42
27
Strength to Weight: Bending, points 31
24
Thermal Diffusivity, mm2/s 3.3
4.1
Thermal Shock Resistance, points 37
26

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.1
0.85 to 1.0
Chromium (Cr), % 18 to 21
17 to 19
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 2.0
76.6 to 81.2
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.5 to 5.0
0.9 to 1.3
Nickel (Ni), % 49.6 to 62.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 2.8 to 3.3
0
Vanadium (V), % 0
0.070 to 0.12
Zinc (Zn), % 0.020 to 0.12
0